Summary of case history, Patient Yang, male, 57 years old, visited the outpatient department of traditional Chinese medicine in our hospital on July 12, 2021 due to "recurrent shortness of breath for 2 years, recurrence for 1 month, and aggravation for 9 days". Two years ago, due to fatigue and cold, he developed cough and shortness of breath, which worsened after exercise. He was diagnosed with "dilated cardiomyopathy and chronic heart failure" at ,Beijing Anzhen Hospital Affiliated to Capital Medical University,. One month ago, the patient relapsed after catching cold. When he visited the emergency department of Chongqing People's Hospital, the left ventricular end-diastolic diameter was 62 mm, the left ventricular end-systolic diameter was 51 mm, and the left ventricular ejection fraction was 37%. Nine days ago, the patient's symptoms worsened after catching cold, and the outpatient service was admitted to the Department of Classical Chinese Medicine with "acute exacerbation of chronic heart failure, cardiac function grade Ⅳ". Symptoms and signs: The patient is shy, painful, dull complexion, slightly distended abdomen, edema of both lower extremities, poor spirit, cold limbs, low voice, clear speech, wheezing; no abnormal smell; lilac tongue, thin white coating Greasy, thin pulse, rapid and weak pulse.,TCM disease and syndrome, Heart failure (Shaoyin syndrome),Western medicine diagnosis, 1. Acute exacerbation of chronic heart failure, cardiac function class Ⅳ;2. Dilated cardiomyopathy;3. Atrial fibrillation.,TCM treatment, Warming and transporting Shaoyin, promoting diuresis and reducing swelling,Therapeutic methods, Traditional Chinese medicine treats the disease by warming Shaoyin, invigorating water and reducing swelling, and taking Poge Jiuxin Decoction together with Wuling Powder and Shengmai Powder orally. Symptomatic treatment, face mask oxygen inhalation to improve hypoxia and cardiotonic, anticoagulation and so on.,Clinical outcomes, The patient's mental state is good, the qi deficiency and fatigue are significantly improved, and the patient can move freely. After the activity, there is no chest tightness, no nocturnal paroxysmal dyspnea, and he can lie down and fall asleep. After treatment, the N-terminal brain natriuretic peptide of the patient decreased from 6738 to 500 pg/mL, the cardiac echocardiography ejection fraction increased from 30% to 45%, the left ventricular end-diastolic diameter decreased from 73 to 63 mm, and the symptoms improved significantly.